400231004143 has 8 divisors (see below), whose sum is σ = 413963053056. Its totient is φ = 386550291000.

The previous prime is 400231004111. The next prime is 400231004177. The reversal of 400231004143 is 341400132004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400231004143 - 2⁵ = 400231004111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400231004843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12818083 + ... + 12849268.

It is an arithmetic number, because the mean of its divisors is an integer number (51745381632).

Almost surely, 2^400231004143 is an apocalyptic number.

400231004143 is a deficient number, since it is larger than the sum of its proper divisors (13732048913).

400231004143 is a wasteful number, since it uses less digits than its factorization.

400231004143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25667885.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 400231004143 its reverse (341400132004), we get a palindrome (741631136147).

The spelling of 400231004143 in words is "four hundred billion, two hundred thirty-one million, four thousand, one hundred forty-three".